FR2570764B1 - Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine - Google Patents

Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine

Info

Publication number
FR2570764B1
FR2570764B1 FR8414819A FR8414819A FR2570764B1 FR 2570764 B1 FR2570764 B1 FR 2570764B1 FR 8414819 A FR8414819 A FR 8414819A FR 8414819 A FR8414819 A FR 8414819A FR 2570764 B1 FR2570764 B1 FR 2570764B1
Authority
FR
France
Prior art keywords
turbomachine
play
automatically controlling
labyrinth seal
labyrinth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8414819A
Other languages
English (en)
Other versions
FR2570764A1 (fr
Inventor
Robert Kervistin
Philippe Jean Lefebvre
Alain Francois Teissier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SNECMA SAS filed Critical SNECMA SAS
Priority to FR8414819A priority Critical patent/FR2570764B1/fr
Priority to DE8585401864T priority patent/DE3560917D1/de
Priority to EP85401864A priority patent/EP0176447B1/fr
Priority to JP60213592A priority patent/JPS6185504A/ja
Priority to US06/780,457 priority patent/US4662821A/en
Publication of FR2570764A1 publication Critical patent/FR2570764A1/fr
Application granted granted Critical
Publication of FR2570764B1 publication Critical patent/FR2570764B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR8414819A 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine Expired FR2570764B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8414819A FR2570764B1 (fr) 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine
DE8585401864T DE3560917D1 (en) 1984-09-27 1985-09-25 Apparatus for the automatic control of the play of a labyrinth seal of a turbo machine
EP85401864A EP0176447B1 (fr) 1984-09-27 1985-09-25 Dispositif de contrôle automatique du jeu d'un joint à labyrinthe de turbomachine
JP60213592A JPS6185504A (ja) 1984-09-27 1985-09-26 タービンエンジンのラビリンスパツキンの遊隙を自動制御する装置
US06/780,457 US4662821A (en) 1984-09-27 1985-09-26 Automatic control device of a labyrinth seal clearance in a turbo jet engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8414819A FR2570764B1 (fr) 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine

Publications (2)

Publication Number Publication Date
FR2570764A1 FR2570764A1 (fr) 1986-03-28
FR2570764B1 true FR2570764B1 (fr) 1986-11-28

Family

ID=9308118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8414819A Expired FR2570764B1 (fr) 1984-09-27 1984-09-27 Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine

Country Status (5)

Country Link
US (1) US4662821A (fr)
EP (1) EP0176447B1 (fr)
JP (1) JPS6185504A (fr)
DE (1) DE3560917D1 (fr)
FR (1) FR2570764B1 (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3901167A1 (de) * 1989-01-17 1990-07-26 Klein Schanzlin & Becker Ag Spaltminimierung
US5281090A (en) * 1990-04-03 1994-01-25 General Electric Co. Thermally-tuned rotary labyrinth seal with active seal clearance control
US5090865A (en) * 1990-10-22 1992-02-25 General Electric Company Windage shield
GB2253442B (en) * 1991-03-02 1994-08-24 Rolls Royce Plc An axial flow turbine assembly
US5314304A (en) * 1991-08-15 1994-05-24 The United States Of America As Represented By The Secretary Of The Air Force Abradeable labyrinth stator seal
US5224713A (en) * 1991-08-28 1993-07-06 General Electric Company Labyrinth seal with recirculating means for reducing or eliminating parasitic leakage through the seal
US5211535A (en) * 1991-12-30 1993-05-18 General Electric Company Labyrinth seals for gas turbine engine
US5259725A (en) * 1992-10-19 1993-11-09 General Electric Company Gas turbine engine and method of assembling same
DE4337281A1 (de) * 1993-11-02 1995-05-04 Abb Management Ag Verdichter
FR2712029B1 (fr) * 1993-11-03 1995-12-08 Snecma Turbomachine pourvue d'un moyen de réchauffage des disques de turbines aux montées en régime.
US5984630A (en) * 1997-12-24 1999-11-16 General Electric Company Reduced windage high pressure turbine forward outer seal
GB9808656D0 (en) * 1998-04-23 1998-06-24 Rolls Royce Plc Fluid seal
DE19821365C2 (de) * 1998-05-13 2001-09-13 Man Turbomasch Ag Ghh Borsig Kühlung einer Wabendichtung im mit Heißgas beaufschlagten Teil einer Gasturbine
US6547522B2 (en) * 2001-06-18 2003-04-15 General Electric Company Spring-backed abradable seal for turbomachinery
US6969231B2 (en) * 2002-12-31 2005-11-29 General Electric Company Rotary machine sealing assembly
US7249463B2 (en) * 2004-09-15 2007-07-31 General Electric Company Aerodynamic fastener shield for turbomachine
US7234918B2 (en) * 2004-12-16 2007-06-26 Siemens Power Generation, Inc. Gap control system for turbine engines
FR2881472B1 (fr) * 2005-01-28 2011-07-15 Snecma Moteurs Circuit de ventilation d'un rotor de turbine haute pression dans un moteur a turbine a gaz
EP2009248B1 (fr) * 2007-06-25 2010-05-12 Siemens Aktiengesellschaft Agencement de turbine et procédé de refroidissement d'un anneau situé au bout d'une aube de turbine
US8292592B2 (en) * 2008-04-02 2012-10-23 United Technologies Corporation Nosecone bolt access and aerodynamic leakage baffle
DE102009016803A1 (de) * 2009-04-09 2010-10-14 Rolls-Royce Deutschland Ltd & Co Kg Labyrinth-Anstreifdichtung für eine Strömungsmaschine
GB2489727B (en) 2011-04-07 2013-07-10 Rolls Royce Plc Windage shield
US10215033B2 (en) 2012-04-18 2019-02-26 General Electric Company Stator seal for turbine rub avoidance
GB201309769D0 (en) * 2013-05-31 2013-07-17 Cummins Ltd A seal assembly
ITUB20155442A1 (it) * 2015-11-11 2017-05-11 Ge Avio Srl Stadio di un motore a turbina a gas provvisto di una tenuta a labirinto
US10082039B2 (en) * 2016-11-02 2018-09-25 United Technologies Corporation Segmented annular seal
FR3094398B1 (fr) * 2019-03-29 2021-03-12 Safran Aircraft Engines Ensemble pour un rotor de turbomachine
US11519284B2 (en) 2020-06-02 2022-12-06 General Electric Company Turbine engine with a floating interstage seal
CN112065511B (zh) * 2020-08-31 2021-10-26 南京航空航天大学 引射式蜂窝衬套-篦齿封严结构
CN113090340B (zh) * 2021-04-08 2023-02-14 沈阳航空航天大学 基于形状记忆合金的主动间隙控制迷宫密封
CN114738119A (zh) * 2022-04-18 2022-07-12 中国航发沈阳发动机研究所 一种篦齿封严结构

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR955993A (fr) * 1950-01-23
CH158918A (de) * 1931-08-19 1932-12-15 Escher Wyss Maschf Ag Vorrichtung zur selbsttätigen Einstellung des achsialen Spieles in Labyrinthstopfbüchsen von Dampfturbinen, Kreisel-Dampfverdichtern und ähnlichen Maschinen.
US2685429A (en) * 1950-01-31 1954-08-03 Gen Electric Dynamic sealing arrangement for turbomachines
FR2280791A1 (fr) * 1974-07-31 1976-02-27 Snecma Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine
US3989410A (en) * 1974-11-27 1976-11-02 General Electric Company Labyrinth seal system
GB1484288A (en) * 1975-12-03 1977-09-01 Rolls Royce Gas turbine engines
FR2401310A1 (fr) * 1977-08-26 1979-03-23 Snecma Carter de turbine de moteur a reaction
US4157880A (en) * 1977-09-16 1979-06-12 General Electric Company Turbine rotor tip water collector
US4190397A (en) * 1977-11-23 1980-02-26 General Electric Company Windage shield
US4213296A (en) * 1977-12-21 1980-07-22 United Technologies Corporation Seal clearance control system for a gas turbine
FR2416345A1 (fr) * 1978-01-31 1979-08-31 Snecma Dispositif de refroidissement par impact des segments d'etancheite de turbine d'un turboreacteur
FR2437544A1 (fr) * 1978-09-27 1980-04-25 Snecma Perfectionnements aux joints a labyrinthe
US4554789A (en) * 1979-02-26 1985-11-26 General Electric Company Seal cooling apparatus
GB2042086B (en) * 1979-02-26 1983-10-12 Gen Electric Gas turbine engine seal
US4466239A (en) * 1983-02-22 1984-08-21 General Electric Company Gas turbine engine with improved air cooling circuit
DE3308140C2 (de) * 1983-03-08 1985-12-19 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Mehrstufige Gasturbine

Also Published As

Publication number Publication date
JPS6185504A (ja) 1986-05-01
JPH0350082B2 (fr) 1991-07-31
EP0176447B1 (fr) 1987-11-04
DE3560917D1 (en) 1987-12-10
EP0176447A1 (fr) 1986-04-02
FR2570764A1 (fr) 1986-03-28
US4662821A (en) 1987-05-05

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Legal Events

Date Code Title Description
ST Notification of lapse